(19)

(11)

EP 2 844 941 A1

(12)

(43) Date of publication: 11.03.2015 Bulletin 2015/11 (21) Application number: 13809578.1 (22) Date of filing: 22.03.2013

(51) International Patent Classification (IPC):  F28D 7/02(2006.01) F28D 7/10(2006.01) F28D 7/04(2006.01) (86) International application number: PCT/AU2013/000289 (87) International publication number: WO 2014/000017 (03.01.2014 Gazette 2014/01)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 29.06.2012 CN 201220315707 U 05.10.2012 MY PI2012004453 (71) Applicant: Waterco Limited Rydalmere, NSW 2166 (AU)	(72) Inventor: TANDON, Pradeep Kumar Rydalmere, NSW 2116 (AU) (74) Representative: Hoarton, Lloyd Douglas Charles  Forresters Skygarden Erika-Mann-Strasse 11 80636 München 80636 München (DE)